USB: input: kbtab.c: fix up dev_* messages

Previously I had made the struct device point to the input device, but
after talking with Dmitry, he said that the USB device would make more
sense for this driver to point to.  So converted it to use that instead.

CC: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/input/tablet/kbtab.c b/drivers/input/tablet/kbtab.c
index a39d176..3fba74b 100644
--- a/drivers/input/tablet/kbtab.c
+++ b/drivers/input/tablet/kbtab.c
@@ -33,6 +33,7 @@
 	dma_addr_t data_dma;
 	struct input_dev *dev;
 	struct usb_device *usbdev;
+	struct usb_interface *intf;
 	struct urb *irq;
 	char phys[32];
 };
@@ -53,11 +54,13 @@
 	case -ENOENT:
 	case -ESHUTDOWN:
 		/* this urb is terminated, clean up */
-		dev_dbg(&dev->dev, "%s - urb shutting down with status: %d\n",
+		dev_dbg(&kbtab->intf->dev,
+			"%s - urb shutting down with status: %d\n",
 			__func__, urb->status);
 		return;
 	default:
-		dev_dbg(&dev->dev, "%s - nonzero urb status received: %d\n",
+		dev_dbg(&kbtab->intf->dev,
+			"%s - nonzero urb status received: %d\n",
 			__func__, urb->status);
 		goto exit;
 	}
@@ -82,7 +85,7 @@
  exit:
 	retval = usb_submit_urb(urb, GFP_ATOMIC);
 	if (retval)
-		dev_err(&dev->dev,
+		dev_err(&kbtab->intf->dev,
 			"%s - usb_submit_urb failed with result %d\n",
 			__func__, retval);
 }
@@ -134,6 +137,7 @@
 		goto fail2;
 
 	kbtab->usbdev = dev;
+	kbtab->intf = intf;
 	kbtab->dev = input_dev;
 
 	usb_make_path(dev, kbtab->phys, sizeof(kbtab->phys));